20001122112002 has 8 divisors (see below), whose sum is σ = 30001743447312. Its totient is φ = 10000540962900.

The previous prime is 20001122111963. The next prime is 20001122112029. The reversal of 20001122112002 is 20021122110002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8769824 + ... + 10812587.

It is an arithmetic number, because the mean of its divisors is an integer number (3750217930914).

Almost surely, 2^{20001122112002} is an apocalyptic number.

20001122112002 is a deficient number, since it is larger than the sum of its proper divisors (10000621335310).

20001122112002 is a wasteful number, since it uses less digits than its factorization.

20001122112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20093104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20001122112002 its reverse (20021122110002), we get a palindrome (40022244222004).

It can be divided in two parts, 2000112 and 2112002, that added together give a palindrome (4112114).

The spelling of 20001122112002 in words is "twenty trillion, one billion, one hundred twenty-two million, one hundred twelve thousand, two".